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SV 30 A

Product catalog summary

Features

Type 1 sound calibrators compliant with IEC 60942:2003.
PTB approval 21.5/08.05.
Frequency: 1 kHz.
Sound Pressure Levels: 94 dB or 114 dB for SV 30A; 114 dB for SV 31.
Includes a 1/2” internal reference condenser microphone.
Microphone presence detection and built-in temperature and static pressure compensation.
Automatic power on/off feature.
Compact dimensions: 65 x 65 x 70 mm.
Powered by 2 x AAA batteries.
Handheld, lightweight, and robust design.

Instrumentation for Sound & Vibration Measurements

The SV 30A and SV 31 are advanced acoustic calibrators designed with a dedicated 1/2” condenser microphone and a microprocessor-controlled signal source. They include digital static pressure and temperature compensation, ensuring excellent stability of calibration levels and frequency. These calibrators offer a competitive price-performance ratio in the sound measurement market.

Technical Specifications

Sound Pressure Level (SPL): 114 dB or 94 dB (SV 30A only) with respect to 20 μPa in reference conditions.
Accuracy: Complies with IEC 60942:2003 standard, Type 1, with SPL accuracy of ± 0.3 dB and frequency accuracy of ± 0.2%.
Total Harmonic Distortion (THD): Less than 0.25% for 94 dB level and less than 0.75% for 114 dB level.
Reference Conditions: Ambient temperature of 23°C, atmospheric pressure of 101.3 kPa, and humidity between 30% and 80% RH.
Effective microphone load volume: 250 mm³ for microphone type B&K 4134.
Level stabilization time: Typically 7 seconds, maximum 10 seconds.
Calibrated microphones: 1/2” and 1/4” with SA 30 adapter.
Storage temperature range: -25°C to +70°C.
CE Classification: EMC: EN 50081-1, EN 50082-1; Safety: EN 61010-1:2001.
Working Conditions: Temperature range from -10°C to +50°C, atmospheric pressure range from 65 kPa to 108 kPa, and humidity range from 25% to 90% RH.
Power Supply: 2 x LR03 (IEC) / AAA (ANSI) alkaline batteries, with continuous operating time of 40 hours for 94 dB level and 30 hours for 114 dB level. Stand-by period is around two years with auto switch ON/OFF.
Overall weight and dimensions: 310 grams including batteries, dimensions 65 x 65 x 70 mm.

Catalog excerpts

SV 30A & SV 31 Acoustic Calibrators The SV 30A - two levels and the SV 31 - one level acoustic calibrators are the State of the Art instruments. The design of both calibrators is based on the dedicated 1/2” condenser microphone and microprocessor controlled signal source including digital static pressure and temperature compensation. These both features assure excellent stability of the calibration levels and their frequency. The SV 30A and SV 31 calibrators offer exceptional price versus performance ratio on the world market of sound measurements. Type 1 sound calibrators meeting IEC 60942:2003 PTB approval 21.5/08.05 1/2” internal reference condenser microphone Microphone presence detection Built-in temperature and static pressure compensation Automatic power on/off Hand held, light weight and robust case SV 31 INSTRUMENTATION FOR SOUND & VIBRATION MEASUREMENTS

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TECHNICAL SPECIFICATIONS Calibration signal parameters Sound Pressure Level (SPL) Accuracy SPL accuracy Frequency accuracy Total Harmonic Distortion (THD) 114 dB or 94 dB (SV 30A only) with respect to 20 μPa in reference conditions IEC 60942:2003 standard, Type 1 ± 0.3 dB ± 0.2 % less than 0.25 % for 94 dB level and less than 0.75 % for 114 dB level Reference conditions Ambient temperature Atmospheric pressure Humidity Effective microphone load volume General Effective load volume sensitivity Level stabilisation time Calibrated microphones Storage temperature range CE classification 0.00027 dB...

Open the catalog to page 2

SV 30 A

SV 30 A

Catalog excerpts

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